<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <!-- <script src="https://cdn.bootcdn.net/ajax/libs/jquery/1.8.0/jquery-1.8.0.min.js"></script> -->
    <script src="https://cdn.bootcdn.net/ajax/libs/jquery/3.6.0/jquery.min.js"></script>
  </head>
  <body>
    <iframe
      id="myIframe"
      name="myIrame"
      src="./son.html"
      scrolling="no"
      border="0"
      frameborder="no"
      framespacing="0"
      allowfullscreen="true"
    ></iframe>
    <input type="radio" name="dm" id="" value="3" checked />
    <input type="radio" name="dm" id="" value="4" />
    <script>
      $(function () {
        /*      var obj = document.getElementById('myIframe').contentWindow
        console.log('[ obj ]', obj)
        console.log('[ obj ]', obj.document.getElementById('abc')) */

        console.log($(document.getElementById('myIframe').contentWindow.document.body).html())
      })
    </script>
  </body>
</html>
